function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = true;

function preloadImages() {
	if (document.images) {
		HGX_home_03_over = newImage("images/HGX_home_03-over.gif");
		HGX_home_04_over = newImage("images/HGX_home_04-over.gif");
		HGX_home_05_over = newImage("images/HGX_home_05-over.gif");
		HGX_home_06_over = newImage("images/HGX_home_06-over.gif");
		HGX_home_07_over = newImage("images/HGX_home_07-over.gif");
		preloadFlag = true;
	}
}

function preloadImagesMain() {
	if (document.images) {
		HGX_topnav_02_over = newImage("images/HGX_topnav_02-over.gif");
		HGX_topnav_03_over = newImage("images/HGX_topnav_03-over.gif");
		HGX_topnav_04_over = newImage("images/HGX_topnav_04-over.gif");
		HGX_topnav_05_over = newImage("images/HGX_topnav_05-over.gif");
		HGX_topnav_06_over = newImage("images/HGX_topnav_06-over.gif");
		capab_secnav_01_over = newImage("images/capab_secnav_01-over.gif");
		capab_secnav_02_over = newImage("images/capab_secnav_02-over.gif");
		comp_secnav_01_over = newImage("images/comp_secnav_01-over.gif");
		comp_secnav_02_over = newImage("images/comp_secnav_02-over.gif");
		news_secnav_01_over = newImage("images/news_secnav_01-over.gif");
		news_secnav_02_over = newImage("images/news_secnav_02-over.gif");
		contact_secnav_01_over = newImage("images/contact_secnav_01-over.gif");
		portfolio_secnav_01_over = newImage("images/portfolio_secnav_01-over.gif");
		HGX_store_rollover_01_over = newImage("images/HGX_store_rollover_01-over.gif");
		preloadFlag = true;
	}
}